| Identifier | Title | Date | Level of description | Other information | |
|---|---|---|---|---|---|
| GFA 17/560550 | Formsandwerk Wülfrath, Rheinland | 1956 | Item: 1 photo | ||
| GFA 17/560551 | Formsandwerk Wülfrath, Rheinland | 1956 | Item: 1 photo | ||
| GFA 17/580074 | Metallurgisches Labor, Spannungsmessungen an Stahlgussrad | 1958 | Item: 1 photo |
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